Question about JVC MX-D302T Shelf System

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? electrical short problem

I tried to use the tape cassette and it just makes a tick tick noise. I now cannot play the radio or the cd. I just get a ticking noise from the tape area. I can see the tape deck moving back and forth. Now when I press the power button, the power shuts off in about 10 seconds or less and the ticking continues until I pull out the electrical plug. Nothing is working. Any suggestions? There seems to be an electrical short that shuts of everything except the ticking noise from the tape area.Thanks, Marlene

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Re: ? electrical short problem

DNME has identified the problem...Here's how to fix it.
Remove the covers as described above.#
Remove the front panel:- 4 screws in the base and two holding the CD mechanism to the front panel. Carefully release the two metal latches holding the front panel to the base-plate. With a marker pen mark the 3 ribbon cables and unplug. Remove screw and plate holding 'phones socket and remove.
The problem is the two motor belts, surface become dry and lost grip, stretched with age and slack.
Unplug the tape head flexi-pcbs from the tape PCB and remove the screws to take the pcb away from the tape player section.
Remove the screws holding the motor chassis and carefully observe how the two belts are routed around the various pulleys.
I tried to get replacements but obsolete.
Dave's trick of the trade.
Having noted how the belts are routed (and which one goes where).
remove from the machine.
Clean the belts with IsoPropanol (ISPA) or (even better) cellulose thinners by pulling them through a cloth soaked in the solvent.
Next get a soup bowl and add one spot of washing up liquid. Drop the belts in the bowl.
Pour boiling water over the belts and this will relax them back to their old shape. After 20 seconds chill with cold water.
Refit to machine and reassemble.
Works every time.
Hope this helps someone
Dave (the consultant) Bullock M.B.E.

Posted on Dec 18, 2009

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Re: ? electrical short problem

I had the same problem and fixed it. It's simple: Open the case by removing the 6 screw on the outline back of the system and the 2 black ones on each sides. For me, it was the right tape who were problematic, so I started the player to see what gear was turning badly. The problem is: that gear don't have enough power to complete his action, so give it an additional (but not to much) power with your hand to complete his action and the system must succeed the action and stop running.

Posted on Jan 15, 2008

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Care and maintenance
Occasional care and maintenance of the unit and the software
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To clean the cabinet
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•Is the lens affected by condensation? If so, wait
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If the power cannot be turned off, disconnect the AC power
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